December weather forecastClessy, France

December

Weather in December

December, the first month of the winter in Clessy, is still a chilly month, with temperature in the range of an average high of 6.1°C (43°F) and an average low of 1°C (33.8°F).

Temperature

Clessy, France, in December undergoes a slight reduction in the average high-temperature, shifting from November's frosty 9.5°C (49.1°F) to a still chilly 6.1°C (43°F). The low-temperature average for Clessy during December stands at an icy 1°C (33.8°F).

Humidity

With an average relative humidity of 89%, December is the most humid month in Clessy.

Rainfall

In December, the rain falls for 14.6 days. Throughout December, 67mm (2.64") of precipitation is accumulated. Throughout the year, there are 183.1 rainfall days, and 622mm (24.49") of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Clessy, France, in December, during 5 snowfall days, 40mm (1.57") of snow is typically accumulated. In Clessy, France, during the entire year, snow falls for 23.6 days and aggregates up to 189mm (7.44") of snow.

Daylight

With an average of 8h and 36min of daylight, December has the shortest days of the year.
On the first day of December in Clessy, sunrise is at 08:07 and sunset at 16:58. On the last day of the month, sunrise is at 08:27 and sunset at 17:06 CET.

Sunshine

January and December, with an average of 3.9h of sunshine, are months with the least sunshine.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in December, in Clessy, is 6.1°C (43°F), while the low-temperature averages to 1°C (33.8°F).

December is the most humid month in Clessy, with an average relative humidity of 89%.

In Clessy, the average relative humidity in December is 89%.

In Clessy, during December, the rain falls for 14.6 days and regularly aggregates up to 67mm (2.64") of precipitation.

In Clessy, during December, snow falls for 5 days and regularly aggregates up to 40mm (1.57") of snow.

The month with the shortest days is December, with an average of 8h and 36min of daylight.

The average day length in December is 8h and 39min.

On the first day of December in Clessy, France, sunrise is at 08:07 and sunset at 16:58. On the last day of the month, sunrise is at 08:27 and sunset at 17:06 CET.

The months with the least sunshine are January and December, with an average of 3.9h of sunshine.

In Clessy, the average sunshine duration in December is 3.9h.

The months with the lowest UV index in Clessy, France, are January, February, October through December, with an average maximum UV index of 2.

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

9.5°C

6.1°C

4.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.1km/h

11.9km/h

11.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.2

10.9

10.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Clessy, France

Average high temperature in December: 6.1°C

The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is January (4.8°C).

Average low temperature in December: 1°C

The month with the highest average low temperature is July (13.6°C).
The coldest month (with the lowest average low temperature) is February (-0.2°C).

Average pressure in December
Clessy, France

Average pressure in December: 1021mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).

Average wind speed in December
Clessy, France

Average wind speed in December: 11.2km/h

The windiest month (with the highest average wind speed) is February (12.5km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).

Average humidity in December
Clessy, France

Average humidity in December: 89%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).

Average rainfall in December
Clessy, France

Average rainfall in December: 67mm

The wettest months (with the highest rainfall) are May and June (68mm).
The driest month (with the least rainfall) is September (31mm).

Average rainfall days in December
Clessy, France

Average rainfall days in December: 14.6 days

The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is February (12 days).

Average snowfall in December
Clessy, France

Average snowfall in December: 40mm

The month with the highest snowfall is January (47mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Clessy, France

Average snowfall days in December: 5 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Clessy, France

Average daylight in December: 8h and 36min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

Average sunshine in December: 3h and 54min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).

Average sunshine days in December
Clessy, France

Average sunshine days in December: 10.9 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is June (7.8 days).

Average UV index in December
Clessy, France

Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).